Adjustable telephone handset



FIG. 1 is a top, front and right side perspective view of an adjustable telephone handset showing our new design wherein its adjustable extendible portion is extended;

FIG. 2 is a bottom, rear and right side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation thereof, the side opposite being a mirror image thereof;

FIG. 6 is a rear and top perspective thereof;

FIG. 7 is a front elevation thereof;

FIG. 8 is a bottom, front and left side perspective view of the adjustable telephone handset showing our new design wherein its adjustable extendible portion is retracted;

FIG. 9 is a top, front and right side perspective view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a right side elevation thereof, the side opposite being a mirror image thereof;

FIG. 13 is a rear elevation thereof; and,

FIG. 14 is a front elevation thereof. 

The ornamental design of an adjustable telephone handset, as shown and described. 